Just in case you need to charge your 765T when the mount breaks....
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14 years
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I did this trick while on the road to keep my GPS battery from dieing and it worked for me as a temp fix... As many people have posted in other discussions the car lighter power cable connection to the mounting cradle is not very robust on the 765T model. With that being said my GPS kept tellin me that I had lost external power and my battery was low. Well, I just so happened to have my lighter cable off of my other GPS the 255 model and I said hmmm let me just plug that into the USB port in the bottom of the 765 mount and bypass the mount all together... so I removed the cable that came with the 765 and changed over to the 255 cable. Well it worked to keep my battery charged although I didn't have some feature/functions like traffic etc.. but the 765 functioned as normal and the battery stayed charged to get me outta the boonies... Not sure, but a usb phone charger may also do the same thing in a pinch... Anyway, I wouldn't do this unless you are desperate like me... lol
Cell Phone Charger?
A cell phone USB charger probably will not work, as there is a resistor that bridges two of the USB lines in a nüvi power cord. Cell phone USB chargers do not have that resistor, so the device will end up going into data mode.
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Depends on the charger/cable
A cell phone USB charger probably will not work, as there is a resistor that bridges two of the USB lines in a nüvi power cord. Cell phone USB chargers do not have that resistor, so the device will end up going into data mode.
It's a crapshoot - I had an old motorola AC charger that worked fine for powering/charging my Nuvi without putting it into data mode...
Which brings up another oft discussed topic... Isn't the "U" in USB supposed to mean universal? Wait.. what? You mean it's not?
*Keith* MacBook Pro *wifi iPad(2012) w/BadElf GPS & iPhone6 + Navigon*
:)
:)
A dedicated power cord for a cell phone is more likely to work than the option the OP thought of, which was this device coupled with a USB cable.
USB is universal only when it comes to the plug specifications for either end. What's in the cable is a completely different story.
"Anyone who is capable of getting themselves made President should on no account be allowed to do the job." --Douglas Adams
Plugging into a Computer works
This won't work in a car (at least very well) but you can charge the battery back up by plugging the nuvi into your computer. I haven't been driving my convertible much for the last week and the battery in its 885t got low and I charged it this way.
Jim
USB
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USB is universal only when it comes to the plug specifications for either end. What's in the cable is a completely different story.
It seems to me to be the other way around. As far as I have seen, all USB 2.0 cables contain the standard four wires. (USB 3.0 cables have 8 wires but I don't know of any Garmin units that have USB 3.0 sockets.)
It is what is done with the ID pin on mini and micro usb plugs that varies with different manufacturers. They use resistors of varying values, not specified in the USB 2.0 main standard or supplements, imbedded in the plug between the ID pin and the ground pin.
While using several different chargers, my 255W and 285W Nuvis will switch to regular use mode after about 30 seconds of not detecting any activity on the data lines when there is no ID resistor in the plug.
My 295W Nuvi will state that a "USB connection" has been detected and asks if it should use mass storage mode or not. (This happens while using chargers or plugged into a computer.)
The 295W is neat also in that it reports the value of the resistor found at the ID pin and the charge rate it has decided to use based on the resistor value.
Well, I knew a resistor was
Well, I knew a resistor was involved somewhere.
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